Botanical Name: Phyllanthus urinaria L.
Family: Phyllanthaceae.
Synonyms: Significant scientific synonyms include Phyllanthus cantoniensis Hornem. and Phyllanthus lepidocarpus Siebold & Zucc. In Ayurvedic literature, it is frequently grouped under the name Bhumyamalaki, or specifically called Tamalaki or Rakta-bhumyamalaki to denote the reddish tint often found on its stems.
Vernacular Names: It is recognized across diverse linguistic regions as Hazarmani or Lal-Bhuinanvalah (Hindi), Chamberbitter or Gripeweed (English), Hajarmuni (Bengali), Sivappu-keezhanelli (Tamil), and Yerrayusirika (Telugu).
Classification: In terms of habit, Phyllanthus urinaria is an erect, annual herb. Within the family context, it is characterized by its “phyllanthoid” branching, where the deciduous branchlets resemble compound leaves, though they are actually stems bearing simple leaves.
Habitat: This species is native to Tropical Asia and has become naturalized throughout the tropical regions of the Americas and Africa. It thrives in moist, shaded environments, often appearing as a weed in gardens, cultivated fields, and along roadsides, preferring well-watered alluvial soils.
Morphology: The plant typically reaches a height of 15–60 cm. The leaves are small, oblong, and closely set in two ranks, giving the appearance of a pinnate leaf. The flowers are minute, greenish-white, and sessile, found on the undersides of the branchlets. The fruit is a small, globose, trilobed capsule that is uniquely rough or scaly (muricate), distinguishing it from the smooth fruit of other Phyllanthus species. The stem often exhibits a reddish or purplish hue.
Useful Parts: The whole plant (Panchang), including the roots, stems, leaves, and fruits, is used in medicinal preparations, as the active bitter principles are distributed throughout the herb.
Chemical Composition: The plant contains a rich array of lignans (such as phyllanthin and hypophyllanthin), flavonoids (quercitrin and rutin), and tannins (geraniin and corilagin). It also contains various polyphenols and alkaloids that contribute to its biological activity.
Pharmacological Action: Phyllanthus urinaria is primarily valued for its hepatoprotective and antiviral actions, particularly against the Hepatitis B virus. It exhibits potent lithontriptic (dissolving kidney and gallbladder stones), diuretic, and anti-inflammatory properties. It is also used to manage jaundice, dropsy, and urinary tract infections.
Formulation/Usage: Traditional applications involve the use of Swarasa (fresh expressed juice) or a Kwadha (decoction) to treat liver disorders and urinary calculi. A paste of the leaves is often applied topically to treat skin sores and swellings. In Ayurveda, it is a key component of the Chavanprash and is often used in the form of Bhumyamalaki Churna.
Rasa: Tikta, Kashaya, and Madhura.
Guna: Laghu and Ruksha
Virya: Sheeta
Vipaka: Madhura